Home / 18,447,119.40-27,670,679.10-12,400,501.80

Finding the Fourth Proportional to 18,447,119.40, 27,670,679.10 and 12,400,501.80

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Solution

The fourth proportional to 18,447,119.40, 27,670,679.10 and 12,400,501.80 is: 18,600,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,119.40 : 27,670,679.10 = 12,400,501.80 : x
  2. Step 2: Convert to fraction form
    18,447,119.40/27,670,679.10 = 12,400,501.80/x
  3. Step 3: Cross multiply
    18,447,119.40x = 27,670,679.10 × 12,400,501.80
  4. Step 4: Simplify right side
    18,447,119.40x = 343,130,305,986,772.44
  5. Step 5: Solve for x
    x = 343,130,305,986,772.44/18,447,119.40
  6. Step 6: Final answer
    x = 18,600,752.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.